import java.util.Scanner;

public class text_2 {
    public static void main(String[] args) {
        System.out.println("输入一个数" );
        Scanner sc=new Scanner(System.in);
        double a=sc.nextDouble();
        if (a%2==0){
            System.out.println("这个数是偶数");
        }else {
            System.out.println("这个数不是偶数");
        }
    }
}
